
header{
    background: url("../img/bj 1020px.png");
}
.banner{
    margin-top: 34px;
}
nav .btn:nth-child(3){
    margin-left: 35px;
}
nav .btn:nth-child(4){
    margin-left: 6px;
}
.carousel-item{
    padding-bottom: 80px;
}
.carousel-indicators{
    text-align: center;
    width:10px;  height: 10px;
    border-radius: 50%;
    background-color: #ccc;
    border:1px solid #bbb;
}
.col-md-6{
    text-align: center;
}
main .row{
    text-align: center;
}
.banner-top{
    position: relative;
    margin-top: 120px;
}
.banner-top img{
    width:100%;
}
.banner-top .zi{
    float: right;
    text-align: right;
    top: 10px;  right:0;
    position: absolute;
}
.banner-button{
  /background: darkgray;
}
.banner-button h2{
    text-align: center;
    padding-top: 28px;
    padding-bottom: 25px;
}
.col-md-3{
    width: 295px;
    text-align: left;
}
.col-md-3 p{
    font-size: 18px;
}
main h3{
    margin-top: 30px;
    color: deepskyblue;
}
main .row .card-header{
    background-color: aqua;
}
.card-header{
    color: #000;
}
.card-body{
    padding: 30px;
}
.card-text{
    padding-bottom: 100px;
    padding-top: 20px;
    font-size: 20px;
    color: #333333;
}
.main-end h2{
    text-align: center;
}
.main-end p{
    text-align: center;
}
.View .More{
    width:82px;
    height: 43px;
    background-color: #337ab7;
}
.main-end a{
    padding: 13px 28px;
    color: white;
    background-color: #337ab7;
    border-radius: 10px;
    line-height: 164px;
}
.main-end a:hover{
    text-decoration: none;
}
footer ul{
    padding-left: 0;
}
footer .row p{
    margin-bottom: 0px;
}
/*响应式代码*/
@media (max-width: 600px) {
    .carousel-indicators{
        margin-top: 50px;
    }
    .wang{
        width:100%;
    }
    .banner-top{
        margin-top: 20px;
    }
    .banner-top .zi{
        text-align: left;
        margin-top: 114px;
        left: 10px;
    }
    .banner-top .zi h3{
        font-size: 20px;
    }
    .banner-top .zi p{
        font-size: 12px;
        margin: 5px;
    }
    .banner-button{
    margin-top: 260px;
}
    .banner-bottom .row{
        text-align: center;
    }
}